Leakage is the current leakage caused by electrical products including motors, insulation damage or other reasons. Under normal circumstances, the conductors of the motor windings are isolated by insulation and are in relatively independent channels, and other non-electrical parts of the motor will not have current flow through them. However, when the insulation of the motor winding is damaged, or due to the humidity of the operating environment, different degrees of current leakage may occur, which is an unsafe factor. In this case, if the human body touches the surface of the motor, there will be a a noticeable tingling shock or tingling. In order to prevent such problems, necessary control measures should be taken for the motor.

Reliable grounding is a necessary safety measure for motor products. GB/T 14711 puts forward specific requirements for the grounding mark, grounding position, diameter of grounding wire, and related links of motor products. Any motor product must undergo necessary grounding requirements before the motor leaves the factory, and ensure that the motor is used Grounding operability and safety in the process.

Safe clearance and creepage distance guarantee. As long as it is a standardized motor design, it will meet the safety requirements through the design of the components in accordance with the standard requirements. However, during the use or repair of the motor, these parameters may not meet due to some reasons. It is reflected in the parameters of the winding and the casing, as well as the distance and size control of the live components in the wiring part.

Environmental and cleaning control requirements. For different environments, the motor with the appropriate protection level should be selected according to the specific situation. In some hot and humid and dusty environments, when the protection level of the motor does not meet the standard requirements, electrical quality problems may occur in the winding or wiring parts of the motor. problems, the most immediate consequence is leakage or other electrical failures.

In addition to the quality control of the motor body, the grounding wire is a key factor. Any place where the motor is used should ensure the safety of the grounding wire, and regularly test the grounding resistance to ensure the safety of personnel and related equipment in the leakage state.